Home / 276,788.24-381,569.64-197,162

Finding the Fourth Proportional to 276,788.24, 381,569.64 and 197,162

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Solution

The fourth proportional to 276,788.24, 381,569.64 and 197,162 is: 271,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,788.24 : 381,569.64 = 197,162 : x
  2. Step 2: Convert to fraction form
    276,788.24/381,569.64 = 197,162/x
  3. Step 3: Cross multiply
    276,788.24x = 381,569.64 × 197,162
  4. Step 4: Simplify right side
    276,788.24x = 75,231,033,361.68
  5. Step 5: Solve for x
    x = 75,231,033,361.68/276,788.24
  6. Step 6: Final answer
    x = 271,799.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.